991298160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:2004

約数の個数: 240

約数和(自身を含む): 3587770368

約数和(自身を除く): 2596472208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 31, 36, 40, 45, 46, 48, 60, 62, 69, 72, 80, 90, 92, 93, 115, 120, 124, 138, 144, 155, 180, 184, 186, 207, 230, 240, 248, 276, 279, 310, 345, 360, 368, 372, 414, 460, 465, 496, 552, 558, 620, 690, 713, 720, 744, 828, 920, 930, 1035, 1104, 1116, 1240, 1380, 1395, 1426, 1488, 1656, 1840, 1860, 1931, 2070, 2139, 2232, 2480, 2760, 2790, 2852, 3312, 3565, 3720, 3862, 4140, 4278, 4464, 5520, 5580, 5704, 5793, 6417, 7130, 7440, 7724, 8280, 8556, 9655, 10695, 11160, 11408, 11586, 12834, 14260, 15448, 16560, 17112, 17379, 19310, 21390, 22320, 23172, 25668, 28520, 28965, 30896, 32085, 34224, 34758, 38620, 42780, 44413, 46344, 51336, 57040, 57930, 59861, 64170, 69516, 77240, 85560, 86895, 88826, 92688, 102672, 115860, 119722, 128340, 133239, 139032, 154480, 171120, 173790, 177652, 179583, 222065, 231720, 239444, 256680, 266478, 278064, 299305, 347580, 355304, 359166, 399717, 444130, 463440, 478888, 513360, 532956, 538749, 598610, 666195, 695160, 710608, 718332, 799434, 888260, 897915, 957776, 1065912, 1077498, 1197220, 1332390, 1376803, 1390320, 1436664, 1598868, 1776520, 1795830, 1998585, 2131824, 2154996, 2394440, 2664780, 2693745, 2753606, 2873328, 3197736, 3553040, 3591660, 3997170, 4130409, 4309992, 4788880, 5329560, 5387490, 5507212, 6395472, 6884015, 7183320, 7994340, 8260818, 8619984, 10659120, 10774980, 11014424, 12391227, 13768030, 14366640, 15988680, 16521636, 20652045, 21549960, 22028848, 24782454, 27536060, 31977360, 33043272, 41304090, 43099920, 49564908, 55072120, 61956135, 66086544, 82608180, 99129816, 110144240, 123912270, 165216360, 198259632, 247824540, 330432720, 495649080, 991298160]

約数ペア:

[(1, 991298160), (2, 495649080), (3, 330432720), (4, 247824540), (5, 198259632), (6, 165216360), (8, 123912270), (9, 110144240), (10, 99129816), (12, 82608180), (15, 66086544), (16, 61956135), (18, 55072120), (20, 49564908), (23, 43099920), (24, 41304090), (30, 33043272), (31, 31977360), (36, 27536060), (40, 24782454), (45, 22028848), (46, 21549960), (48, 20652045), (60, 16521636), (62, 15988680), (69, 14366640), (72, 13768030), (80, 12391227), (90, 11014424), (92, 10774980), (93, 10659120), (115, 8619984), (120, 8260818), (124, 7994340), (138, 7183320), (144, 6884015), (155, 6395472), (180, 5507212), (184, 5387490), (186, 5329560), (207, 4788880), (230, 4309992), (240, 4130409), (248, 3997170), (276, 3591660), (279, 3553040), (310, 3197736), (345, 2873328), (360, 2753606), (368, 2693745), (372, 2664780), (414, 2394440), (460, 2154996), (465, 2131824), (496, 1998585), (552, 1795830), (558, 1776520), (620, 1598868), (690, 1436664), (713, 1390320), (720, 1376803), (744, 1332390), (828, 1197220), (920, 1077498), (930, 1065912), (1035, 957776), (1104, 897915), (1116, 888260), (1240, 799434), (1380, 718332), (1395, 710608), (1426, 695160), (1488, 666195), (1656, 598610), (1840, 538749), (1860, 532956), (1931, 513360), (2070, 478888), (2139, 463440), (2232, 444130), (2480, 399717), (2760, 359166), (2790, 355304), (2852, 347580), (3312, 299305), (3565, 278064), (3720, 266478), (3862, 256680), (4140, 239444), (4278, 231720), (4464, 222065), (5520, 179583), (5580, 177652), (5704, 173790), (5793, 171120), (6417, 154480), (7130, 139032), (7440, 133239), (7724, 128340), (8280, 119722), (8556, 115860), (9655, 102672), (10695, 92688), (11160, 88826), (11408, 86895), (11586, 85560), (12834, 77240), (14260, 69516), (15448, 64170), (16560, 59861), (17112, 57930), (17379, 57040), (19310, 51336), (21390, 46344), (22320, 44413), (23172, 42780), (25668, 38620), (28520, 34758), (28965, 34224), (30896, 32085)]